/**
 *	Copyright [2013] [www.cuubez.com]
 *	Licensed under the Apache License, Version 2.0 (the "License");
 *	you may not use this file except in compliance with the License.
 *	You may obtain a copy of the License at
 *
 *	http://www.apache.org/licenses/LICENSE-2.0
 *
 *	Unless required by applicable law or agreed to in writing, software
 *	distributed under the License is distributed on an "AS IS" BASIS,
 *	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *	See the License for the specific language governing permissions and
 *	limitations under the License.
 */
package com.cuubez.core.handler;

import com.cuubez.core.context.MessageContext;
import com.cuubez.core.exception.CuubezException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import javax.servlet.http.HttpServletRequest;
import java.util.Enumeration;


public class HeaderParameterPopulateHandler implements RequestHandler {

    private static Log log = LogFactory.getLog(HeaderParameterPopulateHandler.class);

    public void handleRequest(MessageContext messageContext) throws CuubezException {

        HttpServletRequest request = messageContext.getRequestConfigurationContext().getRequest();
        Enumeration headerNames = request.getHeaderNames();

        log.trace("header variable populate process started");

        while (headerNames.hasMoreElements()) {

            String paramName = (String) headerNames.nextElement();
            String paramValue = request.getHeader(paramName);

            messageContext.getRequestContext().getUrlContext().addHeaderVariableMetaData(paramName, paramValue);
        }
    }
}
